Patents by Inventor Yuxi Xu

Yuxi Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Solvated graphene frameworks as high-performance anodes for lithium-ion batteries
    Patent number: 11581541
    Abstract: A lithium-ion battery includes: 1) an anode; 2) a cathode; and 3) an electrolyte disposed between the anode and the cathode and including lithium ions. The anode includes a graphene framework film including interconnected graphene sheets, and the graphene framework film has a specific surface area of 600 m2 g?1 or more.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: February 14, 2023
    Assignee: The Regents of the University of California
    Inventors: Xiangfeng Duan, Yuxi Xu
  • SOLVATED GRAPHENE FRAMEWORKS AS HIGH-PERFORMANCE ANODES FOR LITHIUM-ION BATTERIES
    Publication number: 20210351407
    Abstract: A lithium-ion battery includes: 1) an anode; 2) a cathode; and 3) an electrolyte disposed between the anode and the cathode and including lithium ions. The anode includes a graphene framework film including interconnected graphene sheets, and the graphene framework film has a specific surface area of 600 m2 g?1 or more.
    Type: Application
    Filed: February 26, 2021
    Publication date: November 11, 2021
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Xiangfeng Duan, Yuxi Xu
  • Solvated graphene frameworks as high-performance anodes for lithium-ion batteries
    Patent number: 10971727
    Abstract: A lithium-ion battery includes: 1) an anode; 2) a cathode; and 3) an electrolyte disposed between the anode and the cathode and including lithium ions. The anode includes a graphene framework film including interconnected graphene sheets, and the graphene framework film has a specific surface area of 600 m2 g?1 or more.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: April 6, 2021
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Xiangfeng Duan, Yuxi Xu
  • Three-dimensional graphene framework-based high-performance supercapacitors
    Patent number: 10692660
    Abstract: An electrochemical capacitor includes a pair of electrodes and an electrolyte disposed between the pair of electrodes. At least a first electrode of the pair of electrodes includes a graphene framework film, and the graphene framework film includes interconnected graphene sheets with nanopores formed in the graphene sheets.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: June 23, 2020
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Xiangfeng Duan, Yuxi Xu
  • Dispersions of holey graphene materials and applications thereof
    Patent number: 10689537
    Abstract: A method of forming a graphene-based material includes: (1) treating a mixture including an etchant and graphene oxide sheets to yield formation of holey graphene oxide sheets; (2) dispersing the holey graphene oxide sheets in a re-dispersal solvent to yield a holey graphene oxide dispersion including the holey graphene oxide sheets; and (3) treating the holey graphene oxide dispersion under reducing conditions to yield self-assembly of the holey graphene oxide sheets into a graphene-based material.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: June 23, 2020
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Xiangfeng Duan, Yuxi Xu, Yu Huang
  • DISPERSIONS OF HOLEY GRAPHENE MATERIALS AND APPLICATIONS THEREOF
    Publication number: 20180142114
    Abstract: A method of forming a graphene-based material includes: (1) treating a mixture including an etchant and graphene oxide sheets to yield formation of holey graphene oxide sheets; (2) dispersing the holey graphene oxide sheets in a re-dispersal solvent to yield a holey graphene oxide dispersion including the holey graphene oxide sheets; and (3) treating the holey graphene oxide dispersion under reducing conditions to yield self-assembly of the holey graphene oxide sheets into a graphene-based material.
    Type: Application
    Filed: May 26, 2016
    Publication date: May 24, 2018
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Xiangfeng DUAN, Yuxi XU, Yu HUANG
  • SOLVATED GRAPHENE FRAMEWORKS AS HIGH-PERFORMANCE ANODES FOR LITHIUM-ION BATTERIES
    Publication number: 20180047985
    Abstract: A lithium-ion battery includes: 1) an anode; 2) a cathode; and 3) an electrolyte disposed between the anode and the cathode and including lithium ions. The anode includes a graphene framework film including interconnected graphene sheets, and the graphene framework film has a specific surface area of 600 m2g?1 or more.
    Type: Application
    Filed: March 9, 2016
    Publication date: February 15, 2018
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Xiangfeng DUAN, Yuxi XU
  • MOISTURE-RESISTIVE GRAPHENE MEMBRANE CATHODE FOR LITHIUM-AIR BATTERY IN AMBIENT CONDITIONS
    Publication number: 20170033370
    Abstract: A metal-air battery includes: (1) a metal anode; (2) a cathode including a graphene membrane; and (3) an electrolyte disposed between the metal anode and the cathode, where the graphene membrane includes graphene in an amount of at least 80% by weight of the graphene membrane.
    Type: Application
    Filed: April 3, 2015
    Publication date: February 2, 2017
    Inventors: Xiangfeng Duan, Xing Zhong, Yuxi Xu
  • THREE-DIMENSIONAL GRAPHENE FRAMEWORK-BASED HIGH-PERFORMANCE SUPERCAPACITORS
    Publication number: 20160284481
    Abstract: An electrochemical capacitor includes a pair of electrodes and an electrolyte disposed between the pair of electrodes. At least a first electrode of the pair of electrodes includes a graphene framework film, and the graphene framework film includes interconnected graphene sheets with nanopores formed in the graphene sheets.
    Type: Application
    Filed: July 30, 2014
    Publication date: September 29, 2016
    Inventors: Xiangfeng Duan, Yuxi Xu